CN205910006U - Vertical reducing gear box fatigue test device of storage fork truck - Google Patents
Vertical reducing gear box fatigue test device of storage fork truck Download PDFInfo
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- CN205910006U CN205910006U CN201620878021.8U CN201620878021U CN205910006U CN 205910006 U CN205910006 U CN 205910006U CN 201620878021 U CN201620878021 U CN 201620878021U CN 205910006 U CN205910006 U CN 205910006U
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- reduction box
- balladeur train
- shaft
- bearing
- platen
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Abstract
The utility model relates to a vertical reducing gear box fatigue test device of storage fork truck, including the reducing gear box, the platen to and set gradually magnetic powder brake, sensor support, bearing frame support and the stand balladeur train assembly on the platen, the rotational speed and torque sensor is equipped with on the sensor support, at least one rolling bearing unit is equipped with on the bearing frame support, the integral key shaft is equipped with in the rolling bearing unit, the one end of integral key shaft is passed through the shaft coupling and is connected with the rotational speed and torque sensor, and the other end of integral key shaft is equipped with the internal spline hole, the downthehole cartridge of internal spline has the external splines, be connected with the flange with reducing gear box output matched with on the external splines, magnetic powder brake passes through the shaft coupling and is connected with the rotational speed and torque sensor, the utility model discloses a test duty of two kinds of load of simulation for the test condition of reducing gear box is more identical with the operating condition, has improved the accuracy of test result.
Description
Technical field
This utility model is related to fork truck field, the fatigue experimental device of the vertical reduction box of particularly a kind of warehousing forklift.
Background technology
Warehousing forklift reduction box is vertical installation on car load, and the input of reduction box is connected with travel driving motor, defeated
Go out end equipped with tire.During travel driving motor operating, rotated by reduction box deceleration tire, that is, drive car load walking.Should
Reduction box is primarily subjected to two kinds of load in car load, and one is that the part of car load on vertical direction acts on reduction box from heavy load,
And this load becomes with working condition (as unloaded level land travels, is fully loaded with level land travels, fully loaded climbing the travels etc.) difference of car load
Change；Two be reduction box the output loads equally working condition with car load different and change.Stand currently for this reduction box
Test is that simulation one of which load is tested mostly, and is mainly used in delivery test.As tired in carried out using existing device
Labor is tested, then have the disadvantage in that 1, be only capable of simulating the development fatigue test of one of which load, the accuracy of result of the test is relatively
Low.2nd, the reduction box for new research and development, it is impossible to simulate the load suffered by actual condition, leads to Durability Test completely sudden and violent
Expose the weak spot of design.3rd, the reduction box quality problems of feedback after sale are difficult to carry out recurrence of failure by bench test.
Utility model content
The purpose of this utility model is to provide a kind of fatigue experimental device of the vertical reduction box of warehousing forklift, can true mould
The actual condition intending the vertical reduction box of warehousing forklift is thus carry out fatigue detecting.
For solving the above problems, this utility model employs the following technical solutions:
Warehousing forklift vertical reduction box fatigue experimental device, including reduction box, platen, and is successively set on platen
Magnetic powder brake, sensor stand, bearing bracket and column balladeur train assembly；Pass equipped with rotational speed and torque on described sensor stand
Sensor, equipped with least one rolling bearing units on described bearing bracket, described rolling bearing units built with splined shaft, described splined shaft
One end be connected with torque and speed sensorses by shaft coupling, the other end of splined shaft is provided with internal splined hole, described internal splined hole
Inside it is fitted with external splines, described external splines is connected with the flange being matched with reduction box outfan, institute's magnetic powder brake passes through
Shaft coupling is connected with torque and speed sensorses；
The balladeur train that described column balladeur train assembly is provided with by hydraulic oil cylinder driving and vertically moves up and down, described balladeur train
On be fixed with bracket assembly, equipped with motor on described bracket assembly, the motor shaft of described motor vertically points to platen, institute
The lower end stating motor shaft is connected with axle sleeve, axle sleeve flange, universal joint, adapter sleeve flange, adapter sleeve and input from top to bottom in turn
Axle, described input shaft is connected with the input of reduction box by bearing flange.
Further, described column balladeur train assembly includes upright post base, is arranged on three arrange on upright post base in triangle
Guide pillar, and connect the crossbeam of three guide pillar upper ends；It is fixed with cylinder support on described crossbeam, in described cylinder support, pass through pin
Axle is fixed with oil cylinder, and the tailpiece of the piston rod of described oil cylinder vertically points to platen, and passes equipped with pressure in piston rod end
Sensor, described pull pressure sensor is fixedly connected with balladeur train by connecting plate, and on described balladeur train, corresponding three guide pillar positions are provided with
Three bearings matching with guide pillar external cylindrical surface, described balladeur train is flexibly connected with guide pillar by bearing.
Further, described bracket assembly includes underframe and is fixed on electric machine support on underframe, the base surface of described underframe
It is provided with the spacing hole matching with bearing flange.
Further, described axle sleeve is flexibly connected with input shaft, and the top of described input shaft is fixed with for spacing to axle sleeve
Back-up ring.
The beneficial effects of the utility model are: this utility model can apply to reduction box on a test platen simultaneously
Vertically load and output loaded load, the work of simulation reduction box under the transport conditions such as unloaded level land, fully loaded level land, fully loaded climbing
Condition, is detected the output speed of reduction box and the loading moment of torsion of magnetic powder brake by torque and speed sensorses, is passed by pressure
Sensor detects the vertical magnitude of load that oil cylinder is applied to reduction box, thus carrying out the fatigue test of reduction box；This utility model
Using simulating the test method of two kinds of load so that the operating condition of test of reduction box is more identical with actual condition, improve test
The accuracy of result；For the reduction box of new research and development, using test method of the present utility model, can faster be tested
Checking (bench test can continuously 24h development), and the weak spot in design can be completely revealed；Simultaneously for subtracting of site feedback
Fast case quality problems can carry out recurrence of failure carrying out bench test at any time by device of the present utility model, efficiently convenient.
Brief description
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further, wherein:
Fig. 1 is front of the present utility model axis side view；
Fig. 2 is the back side of the present utility model axis side view；
Fig. 3 is front view of the present utility model；
Fig. 4 is left view of the present utility model；
Fig. 5 is top view of the present utility model；
Fig. 6 is the front view of column balladeur train assembly；
Fig. 7 is the left part sectional view of column balladeur train assembly；
Fig. 8 is the axis side view of column balladeur train assembly；
Fig. 9 is the phantom of reduction box and portion support assembly；
Figure 10 is the axis side view of reduction box and portion support assembly.
Specific embodiment
Warehousing forklift vertical reduction box fatigue experimental device shown in 1 to Fig. 5 referring to the drawings, including platen 1, and successively
It is arranged on magnetic powder brake 12 on platen 1, sensor stand 9, bearing bracket 6 and column balladeur train assembly 22.Magnetic powders brake
Device 12 and sensor stand 9 are installed on base 13 it is ensured that each several part is highly gone up in same level.
Equipped with torque and speed sensorses 10 on described sensor stand 9, equipped with two axles of usheing to seat on described bearing bracket 6
Hold 7, described rolling bearing units 7 pass through shaft coupling 8 and torque and speed sensorses 10 built with splined shaft 5, one end of described splined shaft 5
Connect, the other end of splined shaft 5 is machined with internal splined hole, is fitted with external splines 4 in described internal splined hole, external splines 4 can be along
Splined hole moves axially, and the other end of described external splines 4 is connected with the flange 3 matching with reduction box 2 outfan, magnetic powder system
Dynamic device 12 is connected with torque and speed sensorses 10 by shaft coupling 11.
With reference to shown in Fig. 6 to Fig. 8, described column balladeur train 22 assembly includes upright post base 36, is arranged on upright post base 36
Three guide pillars 32 of arrangement in triangle, and the crossbeam 28 by baffle plate 27 and three guide pillar 32 upper ends of bolt connection.
Cylinder support 29 is fixed with described crossbeam 28, in described cylinder support 29, oil cylinder 31 is fixed with by bearing pin 30,
The tailpiece of the piston rod of described oil cylinder 31 vertically points to platen, and has been threaded connection pressure sensing in piston rod end
Device 33, described pull pressure sensor 33 is fixedly connected with balladeur train 35 by connecting plate 34, corresponding three guide pillars on described balladeur train 35
32 positions are provided with three bearings 37 matching with guide pillar 32 external cylindrical surface, and described balladeur train 35 passes through bearing 37 and guide pillar 32 activity
Connect, and then balladeur train 35 can be driven to move up and down along guide pillar 32 with the piston rod action of oil cylinder 31.
Bracket assembly is fixed with described balladeur train 35, shown bracket assembly includes underframe 14 and is fixed on the electricity on underframe 14
Machine support 24, electric machine support 24 carries and is fixed with motor 23, the motor shaft of described motor 23 vertically points to platen 1,
Equipped with axle sleeve 21, axle sleeve flange 20 is fixed on axle sleeve 21 for the lower end of described motor shaft, universal joint 19 upper end and axle sleeve flange 20
Connect, the lower end of universal joint 19 is connected with adapter sleeve flange 18, and adapter sleeve flange 18 is arranged on adapter sleeve 17.
With reference to shown in Fig. 9 and Figure 10, shown adapter sleeve 17 is sleeved on input shaft 25, and adapter sleeve 17 is lived with input shaft 25
It is dynamically connected, a certain distance can be moved up and down along input shaft 25, by the back-up ring 26 that is fixed on input shaft 25 top to it upwards
The position of movement carries out spacing.
Input shaft 25 designs and produces according to the motor shaft that reduction box 2 is equipped with and forms, and utilizes the motor on reduction box 2 simultaneously
Location hole, designs and produces bearing flange 16, and input shaft 25 is connected by the bearing that bearing flange 16 is carried with reduction box 2.Described
The base surface 15 of underframe 14 is provided with the spacing hole matching with bearing flange 16, and spacing hole determines the position of bearing flange 16.
The upper end of reduction box 2 is bolted on the floor board 15 of underframe 14, and the outfan of reduction box 2 is dismantled institute
Mounting flange 3 after the tire of dress, flange 3 is connected with external splines 4, thus forming " a motor+change speed gear box+rotational speed and torque sensing
The driving-chain of device+magnetic powder brake ".
Process of the test of the present utility model is as follows: installs reduction box 2 to be tested by above-mentioned connected mode, when motor 23
When driving reduction box 2 operating, oil cylinder 31 squeezes into pressure oil pressurize simultaneously, and reduction box 2 is applied with the load of a vertical direction,
The simulation car load vertical load that car load is applied to reduction box 2 under the transport conditions such as unloaded level land, fully loaded level land, fully loaded climbing
Lotus.
Simultaneously control magnetic powder brake 12 current value, make magnetic powder brake 12 to the loading torque value of reduction box 2 and this
When the fork truck transport condition simulated of oil cylinder 31 consistent, that is, oil cylinder 31 applies unloaded level land, fully loaded level land, fully loaded to reduction box 2
During the vertical load of transport condition such as climbing, magnetic powder brake 12 applies unloaded level land, fully loaded level land simultaneously, expires to reduction box 2
Carry the output loaded load of the transport conditions such as climbing.
Set the duration of runs and the order of various transport conditions, thus carrying out the fatigue test to reduction box 2.Wherein, turn
Fast torque sensor 10 is used for detecting that the output speed of reduction box 2 and magnetic powder brake 12 load moment of torsion.Pull pressure sensor 33
For detecting the vertical magnitude of load that oil cylinder 31 is applied to reduction box 2.
The above, the only preferable specific embodiment of this utility model, but this utility model protection domain does not limit to
In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in
Change or replace, all should cover within protection domain of the present utility model.Therefore this utility model protection domain is with claim
The protection domain of book is defined.
Claims (4)
1. warehousing forklift vertical reduction box fatigue experimental device, including reduction box it is characterised in that also including platen, Yi Jiyi
The secondary magnetic powder brake being arranged on platen, sensor stand, bearing bracket and column balladeur train assembly；Described sensor stand
On equipped with torque and speed sensorses, equipped with least one rolling bearing units on described bearing bracket, described rolling bearing units built with
Splined shaft, one end of described splined shaft is connected with torque and speed sensorses by shaft coupling, and the other end of splined shaft is provided with interior flower
Keyhole, is fitted with external splines, described external splines is connected with the flange matching with reduction box outfan in described internal splined hole,
Institute's magnetic powder brake is connected with torque and speed sensorses by shaft coupling；
The balladeur train that described column balladeur train assembly is provided with by hydraulic oil cylinder driving and vertically moves up and down, solid on described balladeur train
Surely there is bracket assembly, equipped with motor on described bracket assembly, the motor shaft of described motor vertically points to platen, described electricity
The lower end of arbor is connected with axle sleeve, axle sleeve flange, universal joint, adapter sleeve flange, adapter sleeve and input shaft, institute from top to bottom in turn
State input shaft to be connected with the input of reduction box by bearing flange.
2. the vertical reduction box fatigue experimental device of warehousing forklift according to claim 1 is it is characterised in that described column is slided
Frame assembly includes upright post base, and being arranged on upright post base is in three guide pillars that triangle is arranged, and connects three guide pillar upper ends
Crossbeam；It is fixed with cylinder support on described crossbeam, in described cylinder support, oil cylinder, the work of described oil cylinder are fixed with by bearing pin
Platen is vertically pointed in stopper rod end, and in piston rod end equipped with pull pressure sensor, described pull pressure sensor is passed through
Connecting plate is fixedly connected with balladeur train, and on described balladeur train, corresponding three guide pillar positions are provided with three and are matched with guide pillar external cylindrical surface
Bearing, described balladeur train is flexibly connected with guide pillar by bearing.
3. the vertical reduction box fatigue experimental device of warehousing forklift according to claim 1 is it is characterised in that described support is total
Become to include underframe and be fixed on electric machine support on underframe, the base surface of described underframe is provided with the limit matching with bearing flange
Position hole.
4. the vertical reduction box fatigue experimental device of warehousing forklift according to claim 1 it is characterised in that described axle sleeve with
Input shaft is flexibly connected, and the top of described input shaft is fixed with for the back-up ring spacing to axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878021.8U CN205910006U (en) | 2016-08-13 | 2016-08-13 | Vertical reducing gear box fatigue test device of storage fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878021.8U CN205910006U (en) | 2016-08-13 | 2016-08-13 | Vertical reducing gear box fatigue test device of storage fork truck |
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| Publication Number | Publication Date |
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| CN205910006U true CN205910006U (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620878021.8U Active CN205910006U (en) | 2016-08-13 | 2016-08-13 | Vertical reducing gear box fatigue test device of storage fork truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289761A (en) * | 2016-08-13 | 2017-01-04 | 安徽合力股份有限公司 | Warehousing forklift vertical reduction box fatigue experimental device |
-
2016
- 2016-08-13 CN CN201620878021.8U patent/CN205910006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289761A (en) * | 2016-08-13 | 2017-01-04 | 安徽合力股份有限公司 | Warehousing forklift vertical reduction box fatigue experimental device |
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| GR01 | Patent grant |